CN103044022A - Dielectric barrier material, as well as preparation and application methods thereof - Google Patents
Dielectric barrier material, as well as preparation and application methods thereof Download PDFInfo
- Publication number
- CN103044022A CN103044022A CN2012105868204A CN201210586820A CN103044022A CN 103044022 A CN103044022 A CN 103044022A CN 2012105868204 A CN2012105868204 A CN 2012105868204A CN 201210586820 A CN201210586820 A CN 201210586820A CN 103044022 A CN103044022 A CN 103044022A
- Authority
- CN
- China
- Prior art keywords
- glass
- strontium titanate
- powder
- barrier material
- doped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
The invention particularly relates to a dielectric barrier material, as well as preparation and application methods thereof, and belongs to the field of functional ceramic materials. The dielectric barrier material is a glass doped calcium strontium titanate ceramic material, in which the mass fraction of glass is x and the other component is (Ca1-ySry)TiO3, wherein x is larger than or equal to 0.5wt% and smaller than or equal to 5wt% and y is larger than or equal to 0.1 and smaller than or equal to 0.3. The preparation method comprises the following steps: firstly, adjusting the proportion of y in the calcium strontium titanate ceramic material, and preparing calcium strontium titanate powder through a solid phase synthesis method; secondly, adopting raw materials with the purity greater than 99%, mixing the raw materials proportionally, and obtaining glass powder with required components through high-temperature melting, water quenching and fine ball-milling; and finally, adding a ball milling dielectric into obtained glass powder and calcium strontium titanate powder in a planetary ball mill in a certain proportion and mixing for 5-6 h to obtain the glass doped calcium strontium titanate ceramic dielectric barrier material. The glass doped calcium strontium titanate ceramic dielectric barrier material prepared according to the invention can be used for plasma discharge decomposition of carbon dioxide and remarkably improve both conversion rate and energy utilization efficiency of carbon dioxide.
Description
Technical field
The present invention be more particularly directed to a kind of dielectric impedance layer material and preparation and application method thereof, belong to the ceramic material field.
Background technology
In recent years, the rise of the increasingly serious and one-carbon chemical of Greenhouse effect, energy problem so that methane and carbon dioxide be decomposed into study hotspot.Compare with traditional steam reformation, partial oxidation process, dielectric barrier discharge (dielectric barrier discharge, DBD) as a kind of lower temperature plasma technology, not only can break away from chemical kinetics restriction but also can realize at an easy rate at normal temperatures and pressures.These advantages are so that the dielectric barrier discharge means is demonstrating advantage aspect the decomposition of carbon dioxide greenhouse gas.The dielectric barrier discharge is having very large superiority aspect equipment, operational condition and the selectivity, therefore more be subject to researchist's favor.The subject matter that present the method need to solve is how to improve transformation efficiency and the energy utilization efficiency of carbonic acid gas.
The dielectric impedance layer material is the key factor that affects energy utilization efficiency in the dielectric barrier discharge process, and it prevents the generation of single passage discharge on the one hand, on the other hand micro discharges is evenly distributed in the discharge space.The specific inductivity of material, breaking down field strength, microtexture and surface resistivity are the significant parameters that affects discharge characteristic.The property effect of dielectric barrier the transmission total amount of electric charge in the discharge process and the energy of plasma body, but also has the effect that stored electrons promotes Uniform Discharge.Its specific inductivity (within the specific limits) is larger, the more little generation that more is conducive to plasma chemical reaction of thickness, the material that has in addition high secondary electron yield also is conducive to reduce the voltage breakdown of gas, and the material of low surface resistivity is conducive to the generation of Uniform Discharge.
At present, organic materials such as Resins, epoxy and tetrafluoroethylene, inorganic materials such as silica glass and alumina-ceramic all are used as the dielectric impedance layer material, and have carried out the trial that carbonic acid gas is decomposed in discharge, but the transformation efficiency of carbonic acid gas and energy utilization efficiency are not high.
Summary of the invention
Not enough for prior art, the invention provides a kind of dielectric impedance layer material and preparation and application method thereof.
A kind of dielectric impedance layer material, it is the strontium titanate calcium ceramic material of glass-doped, and wherein the massfraction of glass is x, and all the other components are (Ca
1-ySr
y) TiO
3, wherein, 0.5 wt%≤x≤5 wt%, 0.1≤y≤0.3.
A kind of dielectric barrier material preparation method, the ratio of at first regulating y in the above-mentioned strontium titanate calcium ceramic material adopts solid-phase synthesis to prepare strontium titanate calcium powder body; Then adopt purity greater than 99% raw material, batching proportionally is through high-temperature fusion, shrend, ball milling is levigate obtains the glass powder of required composition; Again gained glass powder and strontium titanate calcium powder body are added ball-milling medium according to a certain percentage in planetary ball mill and mix 5 h ~ 6 h, obtain the strontium titanate calcium ceramic dielectic barrier material of glass-doped, its concrete steps are as follows:
1) adopts solid-phase synthesis preparation (Ca
1-ySr
y) TiO
3Powder, at first with purity greater than 99% SrCO
3, CaCO
3, TiO
2Be starting raw material, according to (Ca
1-ySr
y) TiO
3Stoichiometric ratio batching, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, after the oven dry under ° C temperature of 1100 ° of C ~ 1150 insulation 2 h ~ 4 h calcining synthesize, namely get (the Ca of required perovskite structure
1-ySr
y) TiO
3Powder;
2) take purity greater than 99% reactant as starting raw material, prepare burden according to stoichiometric ratio, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, insulation 2 h ~ 3 h meltings under ° C temperature of 1200 ° of C ~ 1500 obtain high-temperature fusant after the oven dry;
3) with step 2) in resulting high-temperature fusant carry out quick shrend, the glass particle that again shrend is obtained adds ball-milling medium and grinds 5 h ~ 6 h in planetary ball mill, obtain glass powder after the oven dry;
4) with (Ca prepared in step 1) and the step 3)
1-ySr
y) TiO
3Powder and glass powder are mixed in proportion, and hybrid technique is: adding ball-milling medium and abrading-ball grind 5 h ~ 6 h in planetary ball mill; After the oven dry, obtain the strontium titanate calcium ceramic dielectic barrier material powder of glass-doped.
Described ball-milling medium is deionized water or dehydrated alcohol.
Described reactant is BaO, SrO, CaO, H
3BO
3, SiO
2, Al
2O
3, Bi
2O
3, ZrO
2, B
2O
3And La
2O
3In multiple.
A kind of application method of dielectric impedance layer material, the strontium titanate calcium ceramic dielectic barrier material of glass-doped is used for plasma discharge decomposition carbonic acid gas, described dielectric impedance layer material is arranged in the reactor, between ground-electrode and high voltage electrode and with ground-electrode, contact, form discharging gap between itself and the high voltage electrode, its concrete steps are as follows:
1) the strontium titanate calcium ceramic dielectic barrier material powder adding concentration with glass-doped is in the polyvinyl alcohol adhesive solution of 1 wt%, wherein every gram dielectric barrier material powder uses 0.05 mL polyvinyl alcohol solution, at 8 MPa forming under the pressure, obtaining diameter is that 10 mm ~ 30 mm, thickness are the sample of 1 mm;
2) with the sample sintering in ° C temperature range of 1150 ° of C ~ 1200 that obtains after the moulding, soaking time is 2 h ~ 3 h, obtains the strontium titanate calcium ceramics sample of glass-doped;
3) with step 2) the strontium titanate calcium ceramics sample of resulting glass-doped, be arranged in the reactor on the ground-electrode, be used for plasma discharge and decompose carbonic acid gas.
Beneficial effect of the present invention is:
The prepared dielectric impedance layer material of the inventive method can be used for plasma discharge and decomposes carbonic acid gas, and the transformation efficiency of carbonic acid gas and energy utilization efficiency all are significantly improved.
Description of drawings
Fig. 1 is that the dielectric impedance layer material discharges and decomposes the experimental installation schematic diagram of carbonic acid gas;
Fig. 2 is that the dielectric impedance layer material discharges and decomposes the experimental reactor schematic diagram of carbonic acid gas;
Fig. 3 is the X-ray diffraction result of embodiment 1 medium barrier material;
Fig. 4 is the stereoscan photograph of embodiment 2 medium barrier materials, and wherein Fig. 4 a, Fig. 4 b and Fig. 4 c are respectively the stereoscan photograph of glass quality mark dielectric impedance layer material when being 0.5 wt%, 1 wt% and 5 wt%;
Fig. 5 is the room temperature dielectric constant of dielectric impedance layer material and dielectric loss result under the different sintering temperatures among the embodiment 3;
Fig. 6 is the AC breakdown strength result of dielectric impedance layer material under the different sintering temperatures among the embodiment 3.
Embodiment
The invention provides a kind of dielectric impedance layer material and preparation and application method thereof, the present invention will be further described below in conjunction with the drawings and specific embodiments.
Embodiment 1
1) adopts solid-phase synthesis preparation (Ca
0.8Sr
0.2) TiO
3Powder, at first with purity greater than 99% SrCO
3, CaCO
3, TiO
2Be starting raw material, according to (Ca
0.8Sr
0.2) TiO
3Stoichiometric ratio batching, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, after the oven dry under ° C temperature of 1100 ° of C ~ 1150 insulation 2 h ~ 4 h calcining synthesize, namely get (the Ca of required perovskite structure
0.8Sr
0.2) TiO
3Powder;
2) with purity greater than 99% CaO, B
2O
3, SiO
2Be starting raw material, according to CaO:B
2O
3: SiO
2Then the stoichiometric ratio batching of=42.26:15.58:42.16 adds ball-milling medium with these raw materials and grinds 5 h ~ 6 h in planetary ball mill, insulation 2 h ~ 3 h meltings under ° C temperature of 1200 ° of C ~ 1500 after the oven dry;
3) with step 2) in resulting high-temperature fusant carry out quick shrend, the glass particle that again shrend is obtained adds ball-milling medium and grinds 5 h ~ 6 h in planetary ball mill, obtain the glass powder of specific composition after the oven dry;
4) strontium titanate calcium powder body and the glass powder for preparing in step 1) and the step 3) mixed respectively according to the ratio of x=0.5 wt%, x=1 wt% and x=5 wt% respectively, hybrid technique is: adding ball-milling medium and abrading-ball grind 5 h ~ 6 h in planetary ball mill; After the oven dry, obtain the strontium titanate calcium ceramic powder of glass-doped;
5) with step 4) to add concentration be in the polyvinyl alcohol adhesive solution of 1 wt% for the mixture that obtains, wherein every gram dielectric barrier material powder uses 0.05 mL polyvinyl alcohol solution, at 8 MPa forming under the pressure, obtaining diameter is the sample that 10 mm ~ 30 mm, thickness are about 1 mm;
6) with the sample sintering in ° C temperature range of 1150 ° of C ~ 1200 that obtains after the moulding, soaking time is 2 h ~ 3 h, obtains the strontium titanate calcium ceramics sample of glass-doped, is used for plasma discharge and decomposes carbonic acid gas;
7) with the strontium titanate calcium ceramics sample of the resulting glass-doped of step 6), apply adhesive property and the good middle temperature silver paste (the sincere grace in Beijing Electronics Co., Ltd. buys) of conductivity through silk screen printing again, burning infiltration 20 min ~ 30 min under ° C temperature of 500 ° of C ~ 600, solidify to form the argent electrode, namely can be used for electrical property and measure.
Dielectric barrier discharge test device and experiment condition: reaction conditions is the normal temperature and pressure confined reaction, and temperature is no more than 180 ° of C during reaction.In order to observe discharge scenario, reactor adopts quartzy as shell.Two electrodes are the aluminium electrode up and down, barrier material be placed on lower electrode above.The key factor that determines reactor performance is the parallelism of resistance to air loss and upper/lower electrode.In order to guarantee resistance to air loss, the up and down each several part of reactor all is equipped with sealing-ring, shows that after tested the resistance to air loss of reactor is good.Show that through discharge test the upper/lower electrode parallelism is good, the discharge microchannel is evenly distributed in the discharge space.
The reactive system schematic diagram as shown in Figure 1, whole reactive system comprises circuit, gas circuit and gas analytical test three parts, and plasma electrical source provides reaction institute energy requirement, and gas passes into after the reactor, gaseous constituent gas chromatographic analysis out, the reaction discharge parameter is by the oscilloscope collection.R=50 Ω among Fig. 1, C=0.47F, R
2: R
1=1000, can between C and R, switch by change-over switch K during discharge.Total electric weight in the time of when connecting with capacitor C, can calculating discharge by oscillographic reading, the electric current in the time of when connecting with resistance R, can calculating by the reading of oscilloscope (U.S. Tektroix DPO3014) discharge.Output voltage is that the relation indirect by two divider resistances provides.
The current-voltage waveform of discharge is detected by oscilloscope, and reacted gaseous constituent is detected by gas chromatograph (U.S. Agilent Technologies 6820) and packed column (Beijing North divides a day general technical device company's T DX-01).Change the different media barrier material in reaction, other all conditions are all fixed: plasma electrical source voltage is 50 V, and discharging gap is 0.5 mm, and the thickness of barrier material sample is 1 mm, and air inlet is than being N
2: CO
2=9:1, induction air flow ratio are 300 ml/min.
Transformation efficiency (the C of carbonic acid gas
CO2) calculation formula be:
The calculation formula of energy utilization efficiency (η):
In the formula, P is the power input of reactor, and unit is w.
Table 1 adopts discharge power, carbon dioxide conversion and the energy utilization efficiency of embodiment 1 medium barrier material
Embodiment 2
1) adopts solid-phase synthesis preparation (Ca
0.8Sr
0.2) TiO
3Powder, at first with purity greater than 99% SrCO
3, CaCO
3, TiO
2Be starting raw material, according to (Ca
0.8Sr
0.2) TiO
3Stoichiometric ratio batching, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, after the oven dry under ° C temperature of 1100 ° of C ~ 1150 insulation 2 h ~ 4 h calcining synthesize, namely get (the Ca of required perovskite structure
0.8Sr
0.2) TiO
3Powder;
2) with purity greater than 99% CaO, B
2O
3, SiO
2, SrO, Al
2O
3, La
2O
3Be starting raw material, according to CaO:B
2O
3: SiO
2: SrO:Al
2O
3: La
2O
3Then the stoichiometric ratio batching of=16:25:25:24:8:2 adds ball-milling medium with these raw materials and grinds 5 h ~ 6 h in planetary ball mill, insulation 2 h ~ 3 h meltings under ° C temperature of 1200 ° of C ~ 1500 after the oven dry;
3) with step 2) in resulting high-temperature fusant carry out quick shrend, the glass particle that again shrend is obtained adds ball-milling medium and grinds 5 h ~ 6 h in planetary ball mill, dry under the air atmosphere, obtains the glass powder of specific composition;
4) strontium titanate calcium powder body and the glass powder for preparing in step 1) and the step 3) mixed respectively according to the ratio of x=0.5 wt%, x=1 wt% and x=5 wt% respectively, hybrid technique is: adding ball-milling medium and abrading-ball grind 5 h ~ 6 h in planetary ball mill; After the oven dry, obtain the strontium titanate calcium ceramic powder of glass-doped;
5) it is in the polyvinyl alcohol adhesive solution of 1 wt% that the mixture that step 4) is obtained adds concentration, wherein every gram dielectric barrier material powder uses 0.05 mL polyvinyl alcohol solution, at 8 MPa forming under the pressure, obtaining diameter is the sample that 10 mm ~ 30 mm, thickness are about 1 mm;
6) with the sample sintering in the temperature range of 1150 ° of C ~ 1200 ° C that obtains after the moulding, soaking time is 2 h ~ 3 h, namely makes the strontium titanate calcium ceramics sample of glass-doped, is used for plasma discharge and decomposes carbonic acid gas;
7) with step 6) the strontium titanate calcium ceramics sample of resulting glass-doped, apply adhesive property and the good middle temperature silver paste (the sincere grace in Beijing Electronics Co., Ltd. buys) of conductivity through silk screen printing again, burning infiltration 20 min ~ 30 min under ° C temperature of 500 ° of C ~ 600, solidify to form the argent electrode, be used for the material electric performance test.
Table 2 adopts embodiment 2 medium barrier material discharge powers, carbon dioxide conversion and energy utilization efficiency
1) adopts solid-phase synthesis preparation (Ca
0.8Sr
0.2) TiO
3Powder, at first with purity greater than 99% SrCO
3, CaCO
3, TiO
2Be starting raw material, according to (Ca
0.8Sr
0.2) TiO
3Stoichiometric ratio batching, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, be incubated 2 h ~ 4 h calcining at 1100 ° of C ~ 1150 ° C after the oven dry and synthesize, namely get (the Ca of required perovskite structure
0.8Sr
0.2) TiO
3Powder.
2) with purity greater than 99% BaO, SrO, CaO, H
3BO
3, SiO
2, Al
2O
3, Bi
2O
3, ZrO
2Be starting raw material, according to BaO:SrO:CaO:H
3BO
3: SiO
2: Al
2O
3: Bi
2O
3: ZrO
2The stoichiometric ratio batching of=47.25:5.05:3.42:22.59:8.34:2.09:9.56:1.70, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, insulation 2 h ~ 3 h meltings under ° C temperature of 1200 ° of C ~ 1500 after the oven dry;
3) with step 2) in resulting high-temperature fusant carry out quick shrend, the glass particle that again shrend is obtained adds ball-milling medium and grinds 5 h ~ 6 h in planetary ball mill, dry under the air atmosphere, obtains the glass powder of specific composition.
4) strontium titanate calcium powder body and the glass powder for preparing in step 1) and the step 3) mixed respectively according to the ratio of x=0.5 wt%, x=1 wt% and x=5 wt% respectively, hybrid technique is: adding ball-milling medium and abrading-ball grind 5 h ~ 6 h in planetary ball mill; After the oven dry, obtain the strontium titanate calcium ceramic powder of glass-doped;
5) it is in the polyvinyl alcohol adhesive solution of 1 wt% that the mixture that step 4) is obtained adds concentration, wherein every gram dielectric barrier material powder uses 0.05 mL polyvinyl alcohol solution, at 8 MPa forming under the pressure, obtaining diameter is the sample that 10 mm ~ 30 mm, thickness are about 1 mm;
6) with the sample sintering in ° C temperature range of 1150 ° of C ~ 1200 that obtains after the moulding, soaking time is 2 h ~ 3 h, obtains the strontium titanate calcium ceramics sample of glass-doped, is used for plasma discharge and decomposes carbonic acid gas;
7) with the strontium titanate calcium ceramics sample of the resulting glass-doped of step 6), apply adhesive property and the good middle temperature silver paste (the sincere grace in Beijing Electronics Co., Ltd. buys) of conductivity through silk screen printing again, burning infiltration 20 min ~ 30 min under ° C temperature of 500 ° of C ~ 600, solidify to form the argent electrode, be used for the electric performance test of material.
Table 3 adopts embodiment 3 intermediary's barrier material discharge powers, carbon dioxide conversion and energy utilization efficiency
Claims (5)
1. dielectric impedance layer material is characterized in that: the strontium titanate calcium ceramic material that described dielectric impedance layer material is glass-doped, and wherein the massfraction of glass is x, all the other components are (Ca
1-ySr
y) TiO
3, wherein, 0.5 wt%≤x≤5 wt%, 0.1≤y≤0.3.
2. a dielectric barrier material preparation method as claimed in claim 1 is characterized in that: at first regulate the ratio of y in the above-mentioned strontium titanate calcium ceramic material, adopt solid-phase synthesis to prepare strontium titanate calcium powder body; Then adopt purity greater than 99% raw material, batching proportionally is through high-temperature fusion, shrend, ball milling is levigate obtains the glass powder of required composition; Again gained glass powder and strontium titanate calcium powder body are added ball-milling medium according to a certain percentage in planetary ball mill and mix 5 h ~ 6 h, obtain the strontium titanate calcium ceramic dielectic barrier material of glass-doped, its concrete steps are as follows:
1) adopts solid-phase synthesis preparation (Ca
1-ySr
y) TiO
3Powder, at first with purity greater than 99% SrCO
3, CaCO
3, TiO
2Be starting raw material, according to (Ca
1-ySr
y) TiO
3Stoichiometric ratio batching, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, after the oven dry under ° C temperature of 1100 ° of C ~ 1150 insulation 2 h ~ 4 h calcining synthesize, namely get (the Ca of required perovskite structure
1-ySr
y) TiO
3Powder;
2) take purity greater than 99% reactant as starting raw material, prepare burden according to stoichiometric ratio, then these raw materials are added ball-milling medium in planetary ball mill and grind 5 h ~ 6 h, insulation 2 h ~ 3 h meltings under ° C temperature of 1200 ° of C ~ 1500 obtain high-temperature fusant after the oven dry;
3) with step 2) in resulting high-temperature fusant carry out quick shrend, the glass particle that again shrend is obtained adds ball-milling medium and grinds 5 h ~ 6 h in planetary ball mill, obtain glass powder after the oven dry;
4) with (Ca prepared in step 1) and the step 3)
1-ySr
y) TiO
3Powder and glass powder are mixed in proportion, and hybrid technique is: adding ball-milling medium and abrading-ball grind 5 h ~ 6 h in planetary ball mill; After the oven dry, obtain the strontium titanate calcium ceramic dielectic barrier material powder of glass-doped.
3. method according to claim 2, it is characterized in that: described ball-milling medium is deionized water or dehydrated alcohol.
4. method according to claim 2, it is characterized in that: described reactant is BaO, SrO, CaO, H
3BO
3, SiO
2, Al
2O
3, Bi
2O
3, ZrO
2, B
2O
3And La
2O
3In multiple.
5. the application method of a dielectric impedance layer material as claimed in claim 1, it is characterized in that, the strontium titanate calcium ceramic dielectic barrier material of glass-doped is used for plasma discharge decomposition carbonic acid gas, described dielectric impedance layer material is arranged in the reactor, between ground-electrode and high voltage electrode and with ground-electrode, contact, form discharging gap between itself and the high voltage electrode, its concrete steps are as follows:
1) the strontium titanate calcium ceramic dielectic barrier material powder adding concentration with glass-doped is in the polyvinyl alcohol adhesive solution of 1 wt%, wherein every gram dielectric barrier material powder uses 0.05 mL polyvinyl alcohol solution, at 8 MPa forming under the pressure, obtaining diameter is that 10 mm ~ 30 mm, thickness are the sample of 1 mm;
2) with the sample sintering in ° C temperature range of 1150 ° of C ~ 1200 that obtains after the moulding, soaking time is 2 h ~ 3 h, obtains the strontium titanate calcium ceramics sample of glass-doped;
3) with step 2) the strontium titanate calcium ceramics sample of resulting glass-doped, be arranged in the reactor on the ground-electrode, be used for plasma discharge and decompose carbonic acid gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105868204A CN103044022A (en) | 2012-12-28 | 2012-12-28 | Dielectric barrier material, as well as preparation and application methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105868204A CN103044022A (en) | 2012-12-28 | 2012-12-28 | Dielectric barrier material, as well as preparation and application methods thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103044022A true CN103044022A (en) | 2013-04-17 |
Family
ID=48056910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105868204A Pending CN103044022A (en) | 2012-12-28 | 2012-12-28 | Dielectric barrier material, as well as preparation and application methods thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103044022A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326742A (en) * | 2014-10-22 | 2015-02-04 | 华文蔚 | Ceramic composition and preparation method thereof |
| CN105347788A (en) * | 2015-11-13 | 2016-02-24 | 南京工业大学 | Microwave composite dielectric material with low dielectric loss and preparation method |
| CN109444096A (en) * | 2018-10-24 | 2019-03-08 | 中国科学院福建物质结构研究所 | A kind of solid phase detection methods of lead ion |
| CN109928748A (en) * | 2019-04-18 | 2019-06-25 | 陕西科技大学 | A kind of high temperature efficient La doping linear dielectric ceramic material of energy storage and preparation method thereof |
| CN110606738A (en) * | 2019-10-17 | 2019-12-24 | 湖南湘梅花电子陶瓷有限公司 | High-insulation electronic ceramic material and production process thereof |
| CN115784735A (en) * | 2022-12-28 | 2023-03-14 | 广州天极电子科技股份有限公司 | Method for reducing temperature coefficient of SCT (stream control transmission) capacity and improving dielectric constant |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249673A (en) * | 2011-04-26 | 2011-11-23 | 东莞市福德电子有限公司 | Multilayer clip ceramic capacitor dielectric material and capacitor thereof |
-
2012
- 2012-12-28 CN CN2012105868204A patent/CN103044022A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249673A (en) * | 2011-04-26 | 2011-11-23 | 东莞市福德电子有限公司 | Multilayer clip ceramic capacitor dielectric material and capacitor thereof |
Non-Patent Citations (2)
| Title |
|---|
| SHUANG WANG ET AL.: "Enhancement of CO2 Conversion Rate and Conversion Efficiency by Homogeneous Discharges", 《PLASMA CHEM PLASMA PROCESS》 * |
| 王爽: "介质阻挡层材料的制备及其在放电等离子体法分解CO_2中的应用", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326742A (en) * | 2014-10-22 | 2015-02-04 | 华文蔚 | Ceramic composition and preparation method thereof |
| CN104326742B (en) * | 2014-10-22 | 2016-12-07 | 青岛玉兰祥商务服务有限公司 | A kind of ceramic composition and preparation method thereof |
| CN105347788A (en) * | 2015-11-13 | 2016-02-24 | 南京工业大学 | Microwave composite dielectric material with low dielectric loss and preparation method |
| CN109444096A (en) * | 2018-10-24 | 2019-03-08 | 中国科学院福建物质结构研究所 | A kind of solid phase detection methods of lead ion |
| CN109444096B (en) * | 2018-10-24 | 2021-07-16 | 中国科学院福建物质结构研究所 | Solid-phase detection method for lead ions |
| CN109928748A (en) * | 2019-04-18 | 2019-06-25 | 陕西科技大学 | A kind of high temperature efficient La doping linear dielectric ceramic material of energy storage and preparation method thereof |
| CN110606738A (en) * | 2019-10-17 | 2019-12-24 | 湖南湘梅花电子陶瓷有限公司 | High-insulation electronic ceramic material and production process thereof |
| CN115784735A (en) * | 2022-12-28 | 2023-03-14 | 广州天极电子科技股份有限公司 | Method for reducing temperature coefficient of SCT (stream control transmission) capacity and improving dielectric constant |
| CN115784735B (en) * | 2022-12-28 | 2024-04-26 | 广州天极电子科技股份有限公司 | Method for reducing SCT capacity temperature coefficient and improving dielectric constant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Fu et al. | Y-doped BaCeO3− δ nanopowders as proton-conducting electrolyte materials for ethane fuel cells to co-generate ethylene and electricity | |
| CN103044022A (en) | Dielectric barrier material, as well as preparation and application methods thereof | |
| Lv et al. | Structure and electrochemical properties of Sm0. 5Sr0. 5Co1− xFexO3− δ cathodes for solid oxide fuel cells | |
| Ren et al. | Effects of Li source on microstructure and ionic conductivity of Al-contained Li6. 75La3Zr1. 75Ta0. 25O12 ceramics | |
| Danilovic et al. | Correlation of fuel cell anode electrocatalytic and ex situ catalytic activity of perovskites La0. 75Sr0. 25Cr0. 5X0. 5O3− δ (X= Ti, Mn, Fe, Co) | |
| Chockalingam et al. | Impedance spectroscopy studies of Gd-CeO2-(LiNa) CO3 nano composite electrolytes for low temperature SOFC applications | |
| Zhang et al. | Behavior of strontium-and magnesium-doped gallate electrolyte in direct carbon solid oxide fuel cells | |
| Yin et al. | Ionic conduction in BaCe0. 85− xZrxEr0. 15O3-α and its application to ammonia synthesis at atmospheric pressure | |
| CN102496704B (en) | Lithium titanate/titanium black anode material and preparation method thereof | |
| Yang et al. | Synthesis, sintering behavior and electrical properties of Ba (Zr0. 1Ce0. 7Y0. 2) O3− δ and Ba (Zr0. 1Ce0. 7Y0. 1Yb0. 1) O3− δ proton conductors | |
| Jiang et al. | Effects of Pr3+-deficiency on structure and properties of PrBaCo2O5+ δ cathode material–A comparison with Ba2+-deficiency case | |
| Pan et al. | A novel solid-liquid route for synthesizing cubic garnet Al-substituted Li7La3Zr2O12 | |
| Zhou et al. | Preparation and electrochemical properties of an La-doped Pr2Ni0. 85Cu0. 1Al0. 05O4+ δ cathode material for an IT-SOFC | |
| CN113651311A (en) | Alkynyl carbon material, preparation method thereof and composite electrode | |
| CN101585558A (en) | The preparation method of nano-powder of cathode of solid oxide fuel cell | |
| Jie et al. | Synthesis and characterization of calcium and manganese-doped rare earth oxide La1-xCaxFe0. 9Mn0. 1O3-δ for cathode material in IT-SOFC | |
| Afroze et al. | Structure-conductivity relationship of PrBaMnMoO6-δ through in-situ measurements: a neutron diffraction study | |
| Qingle et al. | Electrical properties of iron doped apatite-type lanthanum silicates | |
| Baek et al. | Electrical conductivity characteristics of Sr substituted layered perovskite cathode (SmBa0. 5Sr0. 5Co2O5+ d) for intermediate temperature-operating solid oxide fuel cell | |
| Yan et al. | High‐Pressure Induction and Quantitative Regulation of Oxygen Vacancy Defects in Lithium Titanate | |
| CN104342716B (en) | A kind of high-temperature solid oxide cathode of electrolytic tank material and preparation method thereof | |
| He et al. | Stability and oxygen transport property of La0. 8Sr0. 2Cr0. 5Fe0. 5O3-δ | |
| West et al. | Effects of In substitution in Y1− xInxBaCo3ZnO7+ δ (0≤ x≤ 0.5) cathodes for intermediate temperature solid oxide fuel cells | |
| Qingle et al. | Preparation and characterization of LSO-SDC composite electrolytes | |
| Wenhui et al. | Synthesis and conductivity of oxyapatite ionic conductor La10− xVx (SiO4) 6O3+ x |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130417 |